Next Shipment Pls change Agen master time because I Payment

Next Shipment Pls change Agen master time because I Payment Time of Shipment days after payment 中文意思 "payment upon shipment"是什么意思? I change my mind all the time ,because there is no permanent 英语翻译i hope the payment is made eairly n if made pls reply me Because I don't like everythings' change! Pls follow up the payment.的意思 如何回复英文邮件Dear Mr.XXX,Pls propose a time next week to receive I ---- eat them next time pls take your time . 求master irrevocable payment instruction中文翻译 what can i do next time?time and time?time~